Altimmune, Inc. (ALT)
NASDAQ · Healthcare
Altimmune, Inc. Stock Price History 2010–2025
Altimmune, Inc.
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Historical daily closing price for Altimmune, Inc. since 2017, adjusted for splits and dividends. The latest closing stock price for Altimmune, Inc. as of June 10, 2026 is 2.61.
- The all-time high Altimmune, Inc. stock closing price was 133.20 on May 26, 2017.
- The Altimmune, Inc. 52-week high stock price is 7.71, which is 195.4% above the current share price.
- The Altimmune, Inc. 52-week low stock price is 2.60, which is 0.4% below the current share price.
- The average Altimmune, Inc. stock price for the last 52 weeks is 4.05.
Annual Close Price
YEAR-END CLOSE · USD
ANNUAL % CHANGE · %
| Year | Average | Year Open | Year High | Year Low | Year Close | Annual % Change |
|---|---|---|---|---|---|---|
| 2026 | 3.71 | 3.51 | 6.18 | 2.60 | 2.61 | -27.70% |
| 2025 | 4.97 | 7.11 | 7.71 | 3.38 | 3.61 | -49.93% |
| 2024 | 7.97 | 10.52 | 13.81 | 5.50 | 7.21 | -35.91% |
| 2023 | 5.83 | 15.63 | 16.83 | 2.14 | 11.25 | -31.61% |
| 2022 | 9.93 | 9.45 | 22.41 | 3.94 | 16.45 | +79.59% |
| 2021 | 13.12 | 12.71 | 24.31 | 8.43 | 9.16 | -18.79% |
| 2020 | 9.97 | 1.92 | 33.26 | 1.69 | 11.28 | +496.83% |
| 2019 | 2.42 | 2.60 | 4.54 | 1.53 | 1.89 | -8.25% |
| 2018 | 20.83 | 60.00 | 60.90 | 1.72 | 2.06 | -96.55% |
| 2017 | 76.96 | 133.20 | 133.20 | 46.50 | 59.70 | — |
Altimmune, Inc. Stock Price History — FAQ
Altimmune, Inc. (ALT) stock price history over the last 12 years — annual and quarterly figures with year-over-year growth and charts.
Where can I see ALT's stock price history history?
The chart and table above show Altimmune, Inc.'s stock price history by year and by quarter, including the growth rate.